Network Security Test Engineer

Collaborate with security developers, QA engineers, product managers, and DevOps teams to ensure the delivery of robust and reliable security solutions for Arista's Network Detection and Response (NDR) and Edge Threat Management (ETM) products. This role involves cross-functional interaction and continuous communication with multiple stakeholders across engineering and product teams.

Responsibilities include ensuring the quality, reliability, and performance of Arista's security products. You will leverage your understanding of network security, hands-on experience with network testing tools, and proficiency in test automation to design and execute comprehensive test strategies. Analyzing results and working closely with development and product teams will be key to delivering high-quality, robust security solutions.

Key Responsibilities:

• Understand technical specifications and functionality of Arista Security products: NDR (Network Detection and Response) and ETM (Edge Threat Management).
• Create clear, concise, and comprehensive automated test cases for functional, regression, integration, scaling, and performance testing.
• Anticipate and manage challenging edge cases and various failure scenarios diligently.
• Write clean, efficient code for building reliable, maintainable solutions and deploy them into our production test automation infrastructure, enhancing and maintaining it proactively.
• Complete assigned tasks on time with a strong sense of ownership and accountability.
• Design and build network topologies for feature, systems (solution/Integration), scaling, and performance testing.
• Employ network testing tools such as IPerf, IXIA, Nmap, and BreakingPoint to evaluate the functionality, performance, reliability, and interoperability of security systems.
• Analyze test failures to identify defects, managing the resolution and verification process.
• Automate test cases using Python and Robot framework.
• Participate in technical discussions, test plan reviews, and code reviews.
• Document testing processes and outcomes, clearly communicating project and testing progress to stakeholders.
• Contribute to the ongoing enhancement of test strategies, methodologies, tools, and processes through innovative approaches.
• Participate in a culture of continual improvement, pushing boundaries and solving complex problems.
• Mentor and collaborate with junior engineers, sharing knowledge and experience.

Qualifications:

• BE/B.Tech/ME/M.Tech with 5-8 years of networking industry experience.
• Strong programming experience in Python and the Robot automation framework.
• Hands-on experience with Git reviews and merging pull-requests.
• Hands-on experience configuring routers and firewalls (including Next-Generation Firewalls).
• Strong understanding of IP Routing, network protocols (TCP/IP, DNS, DHCP), VPNs, and network traffic analysis tools (e.g., Wireshark).
• Experience with performance testing, load testing, and system scalability.
• Experience using traffic tools such as BreakingPoint, IxNetwork, IxLoad.
• Experience working in Linux (command line usage, troubleshooting, and basic system administration).
• Ability to analyze user stories and technical specifications to create effective and comprehensive test cases.
• Excellent communication and collaboration skills for working in cross-functional teams and articulating technical concepts clearly.
• Experience in IDS/IPS and related security technologies is a plus.
• Experience with traffic tools like NMap, Nessus, Scapy, IPerf and monitoring tools like Grafana is a plus.
• Experience with REST APIs and Postman is a plus.
• Knowledge of cloud platforms (AWS, Azure, GCP) and their native security services is a plus.

Arista is an engineering-centric company where leadership understands software engineering principles and the importance of quality. We offer engineers complete ownership of their projects in a flat, streamlined management structure. We prioritize test automation and provide opportunities to work across various domains. Join us to shape the future of networking and be part of a culture that values invention, quality, respect, and fun.